[CodeGen] Attach InlineHint to more functions
For instantiated functions, search the template pattern to see if it marked
inline to determine if InlineHint attribute should be added to the function.
llvm-svn: 344987
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index c8e672a..8faaed1 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1299,9 +1299,19 @@
// Otherwise, propagate the inline hint attribute and potentially use its
// absence to mark things as noinline.
if (auto *FD = dyn_cast<FunctionDecl>(D)) {
- if (any_of(FD->redecls(), [&](const FunctionDecl *Redecl) {
- return Redecl->isInlineSpecified();
- })) {
+ // Search function and template pattern redeclarations for inline.
+ auto CheckForInline = [](const FunctionDecl *FD) {
+ auto CheckRedeclForInline = [](const FunctionDecl *Redecl) {
+ return Redecl->isInlineSpecified();
+ };
+ if (any_of(FD->redecls(), CheckRedeclForInline))
+ return true;
+ const FunctionDecl *Pattern = FD->getTemplateInstantiationPattern();
+ if (!Pattern)
+ return false;
+ return any_of(Pattern->redecls(), CheckRedeclForInline);
+ };
+ if (CheckForInline(FD)) {
B.addAttribute(llvm::Attribute::InlineHint);
} else if (CodeGenOpts.getInlining() ==
CodeGenOptions::OnlyHintInlining &&